/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/Widgets/SNiagaraHierarchy.h
class SNiagaraHierarchy : public [SCompoundWidget](API\Runtime\SlateCore\Widgets\SCompoundWidget), public [FGCObject](API\Runtime\CoreUObject\UObject\FGCObject), public [FNotifyHook](API\Runtime\CoreUObject\Misc\FNotifyHook)